
Things worth writing down
Sizing, operations and the parts of hosting that are usually explained badly. Written by the people who run the platform, mostly because we got tired of answering the same question in tickets.
All posts
25 posts


Web hosting13 min read
SPF, DKIM and DMARC: why your mail lands in spam
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VDS13 min read
Nginx reverse proxy guide: server blocks, TLS and websockets
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App hosting13 min read
Background jobs on a small server, with or without Redis
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VDS15 min read
systemd services for your apps: unit files and journalctl
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Security13 min read
Environment variables and secrets on an app server
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Sizing12 min read
CPU or RAM: which one is actually holding your server back
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Networking13 min read
What a reverse proxy does: TLS, hostnames and forwarded IPs
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Sizing13 min read
Sizing a web app for launch day: cache, queries, headroom
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Operations11 min read
Restart schedules that help, and ones that just interrupt
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Operations14 min read
Server monitoring: the four checks worth alerting on
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